variable "tls_secret_name" {
  type      = string
  sensitive = true
}
variable "nfs_server" { type = string }

resource "kubernetes_namespace" "diun" {
  metadata {
    name = "diun"
    labels = {
      "istio-injection" : "disabled"
      tier = local.tiers.aux
    }
  }
}

resource "kubernetes_manifest" "external_secret" {
  manifest = {
    apiVersion = "external-secrets.io/v1beta1"
    kind       = "ExternalSecret"
    metadata = {
      name      = "diun-secrets"
      namespace = "diun"
    }
    spec = {
      refreshInterval = "15m"
      secretStoreRef = {
        name = "vault-kv"
        kind = "ClusterSecretStore"
      }
      target = {
        name = "diun-secrets"
      }
      dataFrom = [{
        extract = {
          key = "diun"
        }
      }]
    }
  }
  depends_on = [kubernetes_namespace.diun]
}

module "tls_secret" {
  source          = "../../modules/kubernetes/setup_tls_secret"
  namespace       = kubernetes_namespace.diun.metadata[0].name
  tls_secret_name = var.tls_secret_name
}

resource "kubernetes_service_account" "diun" {
  metadata {
    name      = "diun"
    namespace = kubernetes_namespace.diun.metadata[0].name
  }
}

resource "kubernetes_cluster_role" "diun" {
  metadata {
    name = "diun"
  }
  rule {
    api_groups = [""]
    resources  = ["pods"]
    verbs      = ["get", "watch", "list"]
  }
}
resource "kubernetes_cluster_role_binding" "diun" {
  metadata {
    name = "diun"

  }
  role_ref {
    api_group = "rbac.authorization.k8s.io"
    kind      = "ClusterRole"
    name      = "diun"
  }
  subject {
    kind      = "ServiceAccount"
    name      = "diun"
    namespace = kubernetes_namespace.diun.metadata[0].name
  }
}

module "nfs_data" {
  source     = "../../modules/kubernetes/nfs_volume"
  name       = "diun-data"
  namespace  = kubernetes_namespace.diun.metadata[0].name
  nfs_server = var.nfs_server
  nfs_path   = "/mnt/main/diun"
}

resource "kubernetes_deployment" "diun" {
  metadata {
    name      = "diun"
    namespace = kubernetes_namespace.diun.metadata[0].name
    labels = {
      app  = "diun"
      tier = local.tiers.aux
    }
    annotations = {
      "reloader.stakater.com/search" = "true"
      "diun.enable"                  = "true"
    }
  }
  spec {
    replicas = 1
    selector {
      match_labels = {
        app = "diun"
      }
    }
    template {
      metadata {
        labels = {
          app = "diun"
        }
      }
      spec {
        service_account_name = "diun"
        container {
          image = "crazymax/diun:latest"
          name  = "diun"
          args  = ["serve"]
          env {
            name  = "TZ"
            value = "Europe/Sofia"
          }
          env {
            name  = "DIUN_WATCH_WORKERS"
            value = "20"
          }
          env {
            name  = "DIUN_WATCH_SCHEDULE"
            value = "0 */6 * * *"
          }
          env {
            name  = "DIUN_WATCH_JITTER"
            value = "30s"
          }
          env {
            name  = "DIUN_PROVIDERS_KUBERNETES"
            value = "true"
          }
          # env {
          #   name  = "DIUN_DEFAULTS_EXCLUDETAGS"
          #   value = "^.*nightly.*$"
          # }
          # env {
          #   name  = "DIUN_DEFAULTS_INCLUDETAGS"
          #   value = "^\\d+\\.\\d+\\.\\d+$"
          # }
          env {
            name  = "DIUN_DEFAULTS_WATCHREPO"
            value = "true"
            # value = "false"
          }
          env {
            name  = "DIUN_DEFAULTS_MAXTAGS"
            value = "3"
          }
          env {
            name  = "DIUN_DEFAULTS_SORTTAGS"
            value = "reverse"
          }
          # DIUN_PROVIDERS_KUBERNETES_WATCHBYDEFAULT = "true" ??

          // ntfy settings
          # env { // disabled as if this fails, no other notifications are sent
          #   name  = "DIUN_NOTIF_NTFY_ENDPOINT"
          #   value = "https://ntfy.viktorbarzin.me"
          # }
          # env {
          #   name  = "DIUN_NOTIF_NTFY_TOPIC"
          #   value = "diun-updates"
          # }
          # env {
          #   name  = "DIUN_NOTIF_NTFY_TOKEN"
          #   value = data.vault_kv_secret_v2.secrets.data["nfty_token"]
          # }
          env {
            name = "DIUN_NOTIF_SLACK_WEBHOOKURL"
            value_from {
              secret_key_ref {
                name = "diun-secrets"
                key  = "slack_url"
              }
            }
          }
          env {
            name = "LOG_LEVEL"
            # value = "info"
            value = "debug"
          }
          # env {
          #   name  = "DIUN_WATCH_FIRSTCHECKNOTIF"
          #   value = "true"  # send notfication on start; subsequent checks check for newer versions and is what you need
          # }
          # env {
          #   name  = "DIUN_NOTIF_NTFY_TIMEOUT"
          #   value = "10s"
          # }
          volume_mount {
            name       = "data"
            mount_path = "/data"
          }
          resources {
            requests = {
              cpu    = "10m"
              memory = "64Mi"
            }
            limits = {
              memory = "64Mi"
            }
          }
        }
        volume {
          name = "data"
          persistent_volume_claim {
            claim_name = module.nfs_data.claim_name
          }
        }
      }
    }
  }
}